JP2008042466A - Slave screen display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a slave screen display device which enables a user to perform viewing corresponding to a situation of use without performing complicated operation in every initiation, and enables the user to freely set a display system, thereby even when the situation changes, can easily adapt to the change. <P>SOLUTION: A display control apparatus 1 is a digital broadcast receiver, for example, capable of being operated by an input device 5 such as a remote control device and includes: an input place discriminating section 31 for discriminating an input place of an operating signal; an input signal discriminating section for discriminating a class of the input signal; and a display form determining section for determining a display form based on the input signal and the input place. On the basis of the display form determined by the display form determining section and display video, the display form is adjusted in a display form change section and changed as needed. An input device includes an operating signal input function and an operating signal sending section. In the display control apparatus, the display form is determined based on the input place discriminated based on a remote control signal or the like and the signal class discriminated based on a signal input to a video signal input section that is a video signal input interface. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a display device, and more particularly to a display control technique for a small-screen display device.

For example, Japanese Patent Application Laid-Open No. 2004-228561 describes a technique that enables an on-screen display image size to be switched to an optimal image size in a display device such as a television device. FIG. 9 is a diagram showing an outline of the technique described in Patent Document 1. As shown in FIG. As shown in FIG. 9, on the display screen of the television device 100, the size of the GUI display used for television setting is changed according to the direction and position of the user 103 facing the remote control device 105 that the user 103 has. . That is, in this technique, distance information between the remote control device and the display screen is detected, and on-screen display is performed with a size set in advance according to the detected distance.
JP-A-6-59457

  In the technique described in Patent Document 1, it can be determined by the relationship between the on-screen display and the position of the remote control device.

  However, in recent years, large-screen television devices and the like have been actively used, and the contents to be displayed have been varied.

  An object of this invention is to provide the display technique which can utilize a subscreen display more conveniently.

  According to one aspect of the present invention, a remote control light receiving unit that receives a remote control signal, a video signal input unit that forms an input interface for a video signal, and a video that displays video based on the video signal input from the video signal input unit A display unit, an input location determination unit that estimates an input location of the remote control signal, an input location determined by the input location determination unit, and a type of the video signal, There is provided a video display device comprising: a display control unit that determines a position and a size of screen display in the video display unit.

  A remote control light receiving unit that receives a remote control signal; a video signal input unit that forms an input interface for the video signal; and a video display unit that displays video based on the video signal input from the video signal input unit. A video display device capable of displaying a small screen, based on an input location determination unit that estimates an input location of the remote control signal, an input location determined by the input location determination unit, and a type of the video signal There is provided a video display device comprising: a display control unit that determines a position and a size of a small screen display in the video display unit.

  Preferably, the display control unit displays the position of the screen display or sub-screen display at a position close to the input location estimated by the input location determination unit. It is preferable that the display control unit controls the size of the display screen related to the content type so that the video information having a larger data capacity is enlarged. For example, it is preferable to watch a movie from a DVD on a large screen.

  When the remote control light receiving unit receives remote control signals from a plurality of directions, the position and size of the screen display or sub-screen display based on the respective remote control signals are controlled in the plurality of screen displays or sub-screen displays. It is preferable.

  The type of the video signal can be determined based on the type at the input end, and can also be determined based on information obtained by decoding the input video signal.

  Instead of the type of the video signal, the position and size of the screen display or sub-screen display in the video display unit can be determined by user settings. The input location determination unit may be provided on the input device side. The above control can also be performed with respect to voice control.

  According to the present invention, the user can view according to the use situation without performing a complicated operation each time it is activated. In addition, since the user can freely set the display method, it is possible to easily cope with changes in the situation.

  Hereinafter, a content display device according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing an outline of a content display technique according to the present embodiment. The present embodiment is characterized in that the display is changed according to the video type to be displayed. As shown in FIG. 1A, when the display content type is a content type such as a movie (DVD) that the user generally wants to see on a large screen, as shown by reference numeral 11a, the screen is almost the same. Make one display spread across. On the other hand, as shown in FIG. 1 (B), when the user wants to view the news 7b on the sub-screen, according to the position / direction of the remote control device 5 requested to input, the user follows the position / direction. Displays a small screen. In the small screen display, the position and direction of the user are more important than in the large screen display. Therefore, the position of the small screen display is adjusted based on the position and direction in which the remote control signal comes.

  A known method can be used as a method for estimating the position and direction of the user. For example, as shown in FIG. 8A, by providing a plurality of light receiving units 25a to 25e for remote control signals at different positions on the screen 1, based on the light reception intensity at the plurality of light receiving units and the like, It is possible to estimate the position and distance. As shown in FIG. 8B, a light receiving unit 25a that can detect the arrival direction of a signal is provided, and the arrival direction of the signal can be detected as shown in L1 to L3. As other methods, as shown in FIG. 8C, buttons (direction key 5e and enter key 5c) for setting the display position may be provided on the remote control device 5, or display is performed by the increase / decrease buttons indicated by reference numeral 5d. It may be possible to enlarge / reduce. Further, the remote control device can be provided with position determination means such as GPS.

FIG. 2 is a flowchart showing an example of the display control process according to the present embodiment.
First, in step S1, data relating to an input signal to be displayed is acquired. Examples of the input signal include an input from an analog tuner, an input from a digital tuner, and an input from an external terminal. The data acquired here can be used for display control.

  Next, in step S2, data relating to the video content to be displayed is acquired. For example, whether or not it is digital broadcasting, what is the resolution of the video to be displayed, what is the genre (movie / news) of the content to be displayed, and the like. Here, the acquired data can be used for display control. In addition, the audio data may be stereo or monaural.

  Next, in step S3, the size of the screen to be displayed, the display position, etc. are set for the input signal and video content to be displayed based on the data acquired in steps S1 and S2. For example, an input signal from an external input is displayed on a large screen regardless of video content, a high-definition video from a digital tuner is displayed on a large screen, and if the content is news, the display position is a small screen regardless of input. Settings such as displaying near the user's position are automatically made. For audio, settings such as output from all speakers and output from only speakers closer to the user can be given.

  In addition to the automatic settings as described above, these settings are processed based on the initial settings set by the user so that the settings according to the user's intention can be prioritized or used together with the automatic settings. Also good. For example, the external input display is a large screen display regardless of the content, but when analog content is input from the external input 2, the display position is displayed near the user on the middle screen. Can be set according to the user's usage, such as displaying a game machine on the left side of the screen during normal operation.

  Next, in step S4, the position of the remote controller that has actually received the input command is acquired by the above method. Thereby, the position where a user exists can be estimated. Next, in step S5, screen display is performed in a display format corresponding to the setting based on the data acquired as described above and the remote control position.

  Note that the control of the size of the display screen related to the content type is basically based on increasing the display screen for video information having a larger data capacity.

  By performing such processing, it is possible to perform content display in consideration of the content type and the user position.

  Next, a specific configuration of the display control apparatus according to the present embodiment will be described with reference to the drawings.

  FIG. 3 is a functional block diagram of the display control apparatus according to the first embodiment of the present invention. The display control device 1 shown in FIG. 3 is, for example, a digital broadcast receiving device that can be operated by an input device 5 such as a remote control device, an operation signal receiving unit 25 that receives an operation signal of the input device 5, an antenna / AV terminal, etc. A video signal input unit 27 that constitutes an interface for receiving a signal input, a display video decoding unit 35 that decodes a display video, a display mode changing unit 37 that changes a display mode, a video display unit 43, and an audio utterance unit 45. And have. Furthermore, the input location determination unit 31 that determines the input location of the operation signal, the input signal determination unit 33 that determines the type of the input video, and the display mode determination unit 41 that determines the display mode based on the input video and the input location. have. Based on the display form determined by the display form determining unit 41 and the display video, the display form changing unit 37 adjusts the display form and changes the display form if necessary. The input device 5 includes an operation signal input function 21 and an operation signal transmission unit 23.

  In the above apparatus, the input location determined based on a remote control signal, etc., and the video type determined based on a signal (antenna, AV terminal, etc.) input to a video signal input unit that is an input interface for the video signal The display form is determined.

  For example, in the case of an analog tuner input signal, display control is performed so that a small screen is displayed at a position close to the input location on the display screen. If it is an external input, a large screen display full of the display screen (screen) is made.

  FIG. 4 is a functional block diagram of a display control apparatus according to the second embodiment of the present invention. The difference from the apparatus shown in FIG. 3 is that the input video type is determined based on the data decoded by the display video decoding unit 35. Other configurations are the same as those in FIG. For example, if the decoded content is news, a small screen is displayed at a position close to the input location. If it is a movie, it is displayed on a large screen.

  FIG. 5 is a functional block diagram of a display control apparatus according to the third embodiment of the present invention. The difference from the apparatus shown in FIG. 2 is that the display method is changed according to the input location and the user setting. The user setting recording unit 51 is configured to receive the operation signal received by the operation signal receiving unit 25. The user setting recording unit 51 records user settings in which operation signals are associated with display forms. The display form corresponding to the received operation signal is searched, and the display form is determined in the display form determining unit according to the display form and the input place obtained as a result. For example, when input is made from the right end of the screen, control is performed to make the screen smaller if it can be determined that the user is sleeping from the room layout. At the same time, control for reducing the sound may be performed. On the other hand, when the input is made from the left end of the screen, if the living room can be determined from the layout of the room, control for enlarging the screen is performed.

  It should be noted that this function itself can be turned on / off, and when it is off, the same display may always be displayed.

  FIG. 6 is a functional block diagram of a display control apparatus according to the fourth embodiment of the present invention. The difference from the apparatus shown in FIG. 5 is that an input location disconnecting portion 61 for determining an input location is provided on the input device 5 side. Information on the input location determined by the input location determination unit 61 is output from the operation signal transmission unit 23 to the display form determination unit 45 via the operation signal reception unit 25. As a means for determining the input location on the input device 5 side, for example, there is a method of providing a function of emitting a signal on the display device side and determining from which direction the signal is received on the remote control device side. is there.

  FIG. 7 is a functional block diagram of a display control apparatus according to a fifth embodiment of the present invention. It is the point which has all the functions in the apparatus shown in FIGS. By doing in this way, there exists an advantage that determination accuracy can be improved by making determination based on a plurality of means, for example, in 1 determination and data type determination.

  As described above, according to the present embodiment, in addition to changing the display position and size depending on the position of the remote controller, the display method is determined according to the video type that the user wants to view. The user can also set the display method. Furthermore, the size and display position of the displayed screen can be changed, and can be changed according to the viewing situation.

  This embodiment is intended to allow a plurality of users to share and view a large screen. When the user A and the user B operate the remote control device from both the left and right sides, the user A and the user B who have the same remote control device, for example, view the desired screen display on the left and right. It is possible. In this case, it is preferable to perform control so as not to display the full screen even when viewing movie content.

  The present invention can be used for a digital broadcast receiving apparatus.

It is a figure which shows the outline | summary of the content display technique by one embodiment of this invention. It is a flowchart figure which shows an example of the display control process by this Embodiment. It is a functional block diagram of the display control apparatus by 1st Example of this invention. It is a functional block diagram of the display control apparatus by 2nd Example of this invention. It is a functional block diagram of the display control apparatus by 3rd Example of this invention. It is a functional block diagram of the display control apparatus by 4th Example of this invention. It is a functional block diagram of the display control apparatus by 5th Example of this invention. It is a figure which shows the outline | summary of the method (C) which designates the method (A) and (B) of estimating a user's position and direction. It is a figure which shows the outline | summary of the technique described in patent document 1. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Display control apparatus, 5 ... Input device, 21 ... Operation signal input function, 23 ... Operation signal sending part, 25 ... Operation signal receiving part, 27 ... Video signal input part, 31 ... Input place judgment part, 33 ... Input image | video Judgment part 35 ... Display picture decoding part 37 ... Display form changing part 41 ... Display form determining part 43 ... Video display part 45 ... Voice utterance part.

Claims (10)

Video display device comprising: a remote control light receiving unit that receives a remote control signal; a video signal input unit that forms an input interface for the video signal; and a video display unit that displays video based on the video signal input from the video signal input unit Because
An input location determination unit that estimates an input location of the remote control signal;
A video having a display control unit for determining a position and a size of screen display in the video display unit based on the input location determined by the input location determination unit and the type of the video signal Display device. A remote control light receiving unit that receives a remote control signal, a video signal input unit that forms an input interface for the video signal, and a video display unit that displays video based on the video signal input from the video signal input unit, A video display device capable of screen display,
An input location determination unit that estimates an input location of the remote control signal;
And a display control unit that determines a position and a size of a sub-screen display in the video display unit based on the input location determined by the input location determination unit and the type of the video signal. Video display device. The display control unit
The video display device according to claim 1, wherein the position of the screen display or the sub-screen display is displayed at a position close to the input place estimated by the input place determination unit. The display control unit
The video display apparatus according to claim 1, wherein the display screen size related to the content type is controlled such that the video information having a larger data capacity is larger in size.   When the remote control light receiving unit receives remote control signals from a plurality of directions, the position and size of the screen display or sub-screen display based on the respective remote control signals are controlled in the plurality of screen displays or sub-screen displays. The video display device according to claim 1, wherein the video display device is a video display device.   The video display device according to claim 1, further comprising an input video determination unit that determines a type of the video signal based on a type at an input terminal.   The video display apparatus according to claim 1, wherein the type of the video signal is determined based on information obtained by decoding the input video signal.   The video display device according to claim 1 or 2, wherein the position and size of screen display or sub-screen display in the video display unit are determined by a user setting instead of the type of the video signal.   The video display device according to claim 1, wherein the input location determination unit is provided on the input device side.   A video display apparatus that performs audio control based on the input location determined by the input location determination unit and the type of the video signal instead of or in conjunction with the display control.

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